Processing a ListView inside a form - wicket

Question

Please consider the following signup:
<form wicket:id="form">
<div wicket:id="fooList">
<input wicket:id="fooList.quxField" type="text" size="10"/>
</div>
<button wicket:id="submit"><wicket:message key="submitText"/></button>
</form>
And these two classes (I am assuming setters, getters etc.)
class FooClazz {
String quxField;
}
class BarClazz {
List<FooClazz> fooList;
}
And this form (models are wrapped in CompoundPropertyModel):
class BarForm extends Form<BarClazz> {
public BarForm(String id,final IModel<BarClazz> model){
super(id,model);
add(new ListView<FooClazz>("fooList"){
#Override
protected void populateItem(final ListItem<FooClazz> item){
item.add(new TextField<String>("fooList.quxField"));
}
}
}
}
Now the above code is generating a runtime exception for me:
2011-12-11 16:33:46 ERROR [org.apache.wicket.DefaultExceptionMapper] Unexpected error occurred org.apache.wicket.WicketRuntimeException: The expression 'quxField' is neither an index nor is it a method or field for the list class java.util.ArrayList
I can change the TextField to include a Model like this:
item.add(new TextField<String>("fooList.quxField", new Model<String>(model.getObject().getFooList().getQuxField())));
This resolves the error, but when I submit the form (with an Ajaxbutton) I never get to see the values entered into the form fields.
So how can I keep the TextField models connected to my form model? Am I overlooking the obvious?
(This is of course just a very shortened version of my original code ...)
Need to add: all my models are wrapped in CompoundPropertyModels.
Thanks in advance for any tips how to fix this.

Answer 1

I found it. I need to include a model for the TextField that has implementations for both getObject() and of course setObject(). So I really was missing the obvious.
#Override
protected void populateItem(final ListItem<Taste> item) {
final TextField<String> quxField = new TextField<String>("tastes.quxField", new Model<String>() {
#Override
public String getObject() {
return item.getModel().getObject().getquxField();
}
#Override
public void setObject(final String value) {
item.getModel().getObject().setquxField(value);
}
});
item.add(quxField);
}